CN102958128B - The method connected for UE service selection PDN and device - Google Patents
The method connected for UE service selection PDN and device Download PDFInfo
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Abstract
Embodiments of the invention disclose a kind of method for UE service selection PDN connection and device, relate to network communication technology field, for alleviating the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reasonable distribution PDN connection route resource and inventing.The method comprises: the routing policy obtaining UE business; PDN is selected to connect according to described routing policy; By UE business described in selected PDN connection route.The present invention is mainly used in route mobile phone terminal business scope.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to a kind of method for UE service selection PDN connection and device.
Background technology
In modern network communication, the routing mode of terminal equipment (UserEquipment, UE) business is: route to core net by Access Network, then route to public network by core net.At present, for alleviating the network pressure of core net, local gateway (LocalGateway is configured with in Access Network, L-GW), one is established by family's (evolution) base station (Home (e) NodeB by this L-GW, HNB) Packet Data Network (PacketDataNetwork, PDN) being routed directly to public network connects.By APN (AccessPointName, APN) by UE delineation of activities be core network service and optionally IP unload business (SelectedIPTrafficOffload, SIPTO), the UE business being designated core network service by APN by the PDN connection route of routed core network service to public network, namely route to core net above by Access Network, then routed to the process of public network by core net; Connected by the PDN for route SIPTO business that the UE business that APN is designated SIPTO business is then set up by L-GW and directly route to public network by Access Network.In this kind of routing mode, the PDN connection for route SIPTO business spans core net and directly SIPTO business is routed to public network, has shared the UE business that part core network PDN connects institute's route, has alleviated the network pressure of core net.
State in realization in the process of business transmission, inventor finds that in prior art, at least there are the following problems: the PDN due to route SIPTO business connects once after setting up, just can only route SIPTO business, cannot routed core network service; And connect once just can only routed core network service after foundation for the PDN of routed core network service, cannot route SIPTO business, so when certain PDN connects congested, to should bar PDN connect business cannot pass through this PDN connection route, again cannot by another relatively idle PDN connection route, cannot be UE business reasonable distribution route resource, the utilance that PDN is connected be lower, and cannot meet the route of operator to UE business and dredge demand.
Summary of the invention
Embodiments of the invention provide a kind of for UE service selection PDN connect method and device, can alleviate congestion PDN connect traffic pressure, improve idle PDN connect utilance, reach the object of reasonable distribution PDN connection route resource.
For achieving the above object, the embodiment of the present invention by the following technical solutions:
Be the method that UE service selection PDN connects, comprise:
Obtain the routing policy of UE business;
PDN is selected to connect according to described routing policy.
Be the device that UE service selection PDN connects, it is characterized in that, comprising:
Acquiring unit, for obtaining the routing policy of UE business;
Selected cell, for selecting PDN to connect according to described routing policy.
A device for route UE business, comprising: the device connected for UE service selection PDN and family's (evolution) base station H (e) NB.
The method for UE service selection PDN connection that the embodiment of the present invention provides and device, connect according to the PDN that routing policy is the use of UE service selection route, being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieve the selection that UE business connects different PDN, solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, alleviate the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart for the method for UE service selection PDN connection in the embodiment of the present invention one;
Fig. 2 is the flow chart for the method for UE service selection PDN connection in the embodiment of the present invention two;
Fig. 3 is the flow chart for the method for UE service selection PDN connection in the embodiment of the present invention three;
Fig. 4 is the flow chart of the method for UE service selection PDN connection of mode 1 in the embodiment of the present invention four;
Fig. 5 is the flow chart of the method for UE service selection PDN connection of mode 2 in the embodiment of the present invention four;
Fig. 6 is the structural representation for the device of UE service selection PDN connection in the embodiment of the present invention five;
Fig. 7 is the structural representation for the device of UE service selection PDN connection in the embodiment of the present invention five;
Fig. 8 is the structural representation for the device of UE service selection PDN connection in the embodiment of the present invention five;
Fig. 9 is the structural representation for the device of UE service selection PDN connection in the embodiment of the present invention five.
Embodiment
For solving when certain PDN connects congested, to should the business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, embodiments provide a kind of method for UE service selection PDN connection and device, according to the routing policy of the Congestion Level SPCC formulation UE business that PDN connects, and be that the PDN that UE service selection route uses connects according to this routing policy, thus achieve the selection that UE business connects different PDN.
Executive agent in the embodiment of the present invention is with local gateway (LocalGateway, L-GW) and HNB be that example is described, but the embodiment of the present invention does not limit this, can also with business offloading functions (TrafficOffloadFunction in practical application, TOF) or other network elements such as home evolved node B (HomeEvolvedNodeB, HeNB) replace.
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
Embodiments provide a kind of method for UE service selection PDN connection, as shown in Figure 1, the method comprises the steps:
101, L-GW obtains the routing policy of UE business.
102, after L-GW gets the routing policy of UE business, be that UE service selection PDN connects according to this routing policy.
Wherein, this UE business of PDN connection route of SIPTO business or this UE business of PDN connection route of core network service can be selected in the present embodiment.
103, after the PDN that L-GW uses for the good route of UE service selection connects, HNB is by this UE business of this PDN connection route.
The method for UE service selection PDN connection that the embodiment of the present invention provides, connect according to the PDN that routing policy is the use of UE service selection route, being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieve the selection that UE business connects different PDN, solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, alleviate the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Embodiment two
The present embodiment provides a kind of method for UE service selection PDN connection, the embodiment of the present invention to obtain routing policy from an external routes strategy NE, and is that the PDN that UE service selection route uses connects for example sets forth the method for this route UE business according to this routing policy.As shown in Figure 2, the method comprises the following steps:
201, L-GW obtains the routing policy of UE business from an external routes strategy NE.
This routing policy network element can be home base station management system (Home (e) NodeBManagementSystem, HMS) or tactful and charging rule functions (PolicyandChargingRulesFunction, PCRF).When external routes strategy NE is HMS, L-GW can be, but not limited to be communicated with HMS by C1 interface, obtains routing policy; When external routes strategy NE is PCRF, L-GW can be, but not limited to be communicated with PCRF by L-Gx interface, obtains routing policy.
This routing policy comprises: any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the combination of at least two.
202, after L-GW gets routing policy combination from external routes strategy NE, it is mutual that UE and L-GW carries out inquiry, and the PDN obtaining route SIPTO business connects and is connected used source IP address scope with the PDN of routed core net.
203, L-GW is combined as UE service selection PDN according to the routing policy obtained from HMS or PCRF and connects.
Be combined as UE service selection PDN according to routing policy to connect, comprise: under any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the integrated mode of at least two, judge whether described UE business meets the condition of described routing policy combination.
When UE business meets the condition of routing policy combination, the PDN that the IP for this UE service selection Route Selection unloads SIPTO business connects, when UE business does not meet the condition of routing policy combination, for the PDN of this UE service selection routed core network service connects; Or,
When UE business meets the condition of routing policy combination, for the PDN of this UE service selection routed core network service connects, when UE business does not meet the condition of routing policy combination, for the PDN of this UE service selection route SIPTO business connects.
The present embodiment is described with the example that is combined as of source IP address, three routing policies in object IP address and subnet address:
First L-GW judges the source IP address of UE business, if this source IP address meets the routing policy of source IP address in L-GW, then L-GW continues the object IP address judging this UE business; If this source IP address does not meet the routing policy of source IP address in L-GW, then L-GW by this UE business as core network service, can be connected by the PDN of routed core network service and carries out route.
If the source IP address of this UE business meets the routing policy of source IP address in L-GW, then L-GW continues the object IP address judging this UE business.If this object IP address meets the routing policy of object IP address in L-GW, then L-GW continues the subnet address judging this UE business; If this object IP mail returned on ground of incorrect address closes the routing policy of object IP address in L-GW, then L-GW by this UE business as core network service, can be connected by the PDN of routed core network service and carries out route.
If the object IP address of this UE business meets the routing policy of object IP address in L-GW, then L-GW continues the subnet address judging this UE business.If this subnet address meets the routing policy of subnet address in L-GW, then L-GW by this UE business as SIPTO business, can be connected by the PDN of route SIPTO business and carries out route; If this object IP mail returned on ground of incorrect address closes the routing policy of subnet address in L-GW, then L-GW by this UE business as core network service, can be connected by the PDN of routed core network service and carries out route.So far, L-GW is that namely the process that UE service selection PDN connects is finished.
The source IP address of UE business described above meets the routing policy of source IP address in L-GW and refers to that the source IP address of UE business drops within the source IP address scope that specifies in L-GW, the Congestion Level SPCC that the routing policy of this source IP address can be connected according to PDN by artificial or user is changed at any time, to be that route is carried out in another the relatively idle PDN connection of UE service selection when a certain bar PDN connects congested.Described above comprise object IP address, subnet address, source port number, destination port number, the judgement of routing policy of transport layer protocol type and change source IP address.
204, L-GW is that after the PDN connection of the complete route of UE service selection, HNB is according to selected PDN connection route UE business.
HNB by use the PDN connection route of route SIPTO business UE business directly by the PDN connection route of route SIPTO business to outside public network; First the UE business of the PDN connection route using routed core network service is routed to the packet data gateway (PacketDataNetworkGateway, PGW) of core net, is then routed to outside public network by this PGW.
The method for UE service selection PDN connection that the embodiment of the present invention provides, routing policy is obtained from an external routes strategy NE, the PDN being combined as the use of UE service selection route according to routing policy connects, and changes the PDN connection of routing policy and then change route UE business according to the Congestion Level SPCC that PDN connects.Being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieve the selection that UE business connects different PDN, solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, alleviate the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Embodiment three
The present embodiment provides a kind of method for UE service selection PDN connection, the embodiment of the present invention is with from domain name system (DomainNameSystem, DNS) obtain Route Distinguisher information in, and be that UE service selection PDN connects for example sets forth the method for this route UE business according to this Route Distinguisher information.As shown in Figure 3, the method comprises the following steps:
301, the object IP address that will access to DNS request inquiry UE business of UE.
302, DNS responds the inquiry request of this UE and returns above-mentioned purpose IP address and Route Distinguisher information to L-GW.
The PDN that this Route Distinguisher message identification outlet is used by this UE business connects, and such as represent the PDN connection of route SIPTO business with SIPTO, the PDN representing routed core network service with CN (CoreNetwork, core net) connects.
303, L-GW is the opposite end global ip address that UE distributes.
304, after UE receives the opposite end global ip address of L-GW distribution, the source IP address of this opposite end global ip address and UE is sent to L-GW.
305, the opposite end global ip address that received UE sends is converted to the external address of L-GW by L-GW, HNB according in step 302 from DNS obtain Route Distinguisher information router UE business.
If Route Distinguisher information is SIPTO, then UE business is routed directly to outside public network by the PDN connection of route SIPTO business by HNB; If Route Distinguisher information is CN, then HNB connects by the PDN of routed core network service PGW UE business being routed to core net, then by this PGW, UE business is routed to outside public network.
The Congestion Level SPCC that above-mentioned Route Distinguisher information can be connected according to PDN by artificial or user is changed at any time, to be that route is carried out in another the relatively idle PDN connection of UE service selection when a certain bar PDN connects congested.
The method for UE service selection PDN connection that the embodiment of the present invention provides, Route Distinguisher information is obtained from DNS, connect according to the PDN that obtained Route Distinguisher information is the use of UE service selection route, and change the PDN connection of Route Distinguisher information and then change route UE business according to the Congestion Level SPCC that PDN connects.Being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieve the selection that UE business connects different PDN, solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, alleviate the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Embodiment four
The present embodiment provides a kind of method connected for UE service selection PDN, and the embodiment of the present invention to obtain Route Distinguisher information from UE, and is that UE service selection PDN connects for example sets forth the method for this route UE business according to this Route Distinguisher information.Route Distinguisher information in the embodiment of the present invention is provided to UE by access network discovery and support function (AccessNetworkDiscoveryandSelectionFunction, ANDSF), or is provided to UE by operator.As shown in Figures 4 and 5, the method comprises the following steps:
Mode one:
UE Route Distinguisher information is provided to UE by operator, and as shown in Figure 4, the method for UE service selection PDN connection that the manner provides, comprises the following steps:
401, UE sends UE business to L-GW, sends the Route Distinguisher information of this UE business to L-GW simultaneously.
The PDN that this Route Distinguisher message identification outlet is used by this UE business connects, and such as represent the PDN connection of route SIPTO business with SIPTO, the PDN representing routed core network service with CN connects.
Route Distinguisher information in UE comes from operator, and the Congestion Level SPCC that operator can connect according to PDN changes Route Distinguisher information at any time, to be that route is carried out in another the relatively idle PDN connection of UE service selection when a certain bar PDN connects congested.
402, HNB is that the PDN that UE service selection route uses connects according to the Route Distinguisher information of the UE in L-GW.
If Route Distinguisher information is SIPTO, then UE business is routed directly to outside public network by the PDN connection of route SIPTO business by HNB; If Route Distinguisher information is CN, then HNB connects by the PDN of routed core network service PGW UE business being routed to core net, then by this PGW, UE business is routed to outside public network.
Mode two:
UE obtains Route Distinguisher information from ANDSF, and as shown in Figure 5, the method for UE service selection PDN connection that the manner provides, comprises the following steps:
501, UE obtains Route Distinguisher information from ANDSF.
The Congestion Level SPCC that this Route Distinguisher information is connected according to PDN by operator or user is changed at any time, to be that route is carried out in another the relatively idle PDN connection of UE service selection when a certain bar PDN connects congested.
502, after UE obtains Route Distinguisher information from ANDSF, send UE business to L-GW, send to L-GW simultaneously and obtain the Route Distinguisher information got from ANDSF.
The PDN that this Route Distinguisher message identification outlet is used by this UE business connects, and such as represent the PDN connection of route SIPTO business with SIPTO, the PDN representing routed core network service with CN connects.
503, HNB is that the PDN that UE service selection route uses connects according to the Route Distinguisher information of the UE in L-GW.
If Route Distinguisher information is SIPTO, then UE business is routed directly to outside public network by the PDN connection of route SIPTO business by HNB; If Route Distinguisher information is CN, then HNB connects by the PDN of routed core network service PGW UE business being routed to core net, then by this PGW, UE business is routed to outside public network.
The method for UE service selection PDN connection that the embodiment of the present invention provides, Route Distinguisher information is obtained from UE, this Route Distinguisher information comes from operator or ANDSF, connect according to the PDN that obtained Route Distinguisher information is the use of UE service selection route, and change the PDN connection of Route Distinguisher information and then change route UE business according to the Congestion Level SPCC that PDN connects.Being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieve the selection that UE business connects different PDN, solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, alleviate the traffic pressure that congested PDN connects, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Embodiment five
The present embodiment provides a kind of device for UE service selection PDN connection, as shown in Figure 6, comprising: acquiring unit 61 and selected cell 62.
Acquiring unit 61, for obtaining the routing policy of UE business.
Selected cell 62, for selecting PDN to connect according to the routing policy got.
As shown in Figure 7, in the device for UE service selection PDN connection that the present embodiment provides, acquiring unit 61 also comprises the first acquisition subelement 71, and selected cell 62 also comprises judgment sub-unit 72, first chooser unit 73 or the second chooser unit 74.
First obtains subelement 71 for obtaining the routing policy of described UE business from the routing policy network element of an outside.
External routes strategy NE comprises HMS and PCRF.When routing policy network element is HMS, first obtain subelement 71 can but be not limited only to from HMS, obtain routing policy by C1 interface; When routing policy network element is PCRF, first obtain subelement 71 can but be not limited only to from PCRF, obtain routing policy by L-Gx interface.
Above-mentioned routing policy comprises: any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the combination of at least two.
For the routing policy combination got according to the first acquisition subelement 71, judgment sub-unit 72, judges whether UE business meets this routing policy.
When the judged result of described judgment sub-unit 72 be UE business meet the condition of routing policy combination time, first chooser unit 73 is that the PDN of UE service selection route SIPTO business connects, when judged result be UE business do not meet routing policy combination condition time, the first chooser unit 73 be UE service selection routed core network service PDN connection; Or,
When the judged result of described judgment sub-unit 72 be UE business meet the condition of routing policy combination time, second chooser unit 74 is that the PDN of UE service selection routed core network service connects, when judged result be UE business do not meet routing policy combination condition time, the second chooser unit 74 be UE service selection route SIPTO business PDN connection.
As shown in Figure 8, in the device for UE service selection PDN connection that the present embodiment provides, acquiring unit 61 also comprises the second acquisition subelement 81, and selected cell 62 also comprises the 3rd chooser unit 82.Wherein,
Second obtains subelement 81 for obtaining Route Distinguisher information from DNS, this Route Distinguisher information connects for identifying route UE business PDN used, such as represent the PDN connection of route SIPTO business with SIPTO, the PDN representing routed core network service with CN connects.
Second chooser unit 82 is that the PDN that UE service selection route uses connects for the Route Distinguisher information obtaining subelement 81 acquisition according to second.
If Route Distinguisher information is SIPTO, then the 3rd chooser unit 82 be UE service selection route SIPTO business PDN connect carry out route, if Route Distinguisher information is CN, then the 3rd chooser unit 82 be UE service selection routed core network service PDN connect carry out route.
As shown in Figure 9, in the device for UE service selection PDN connection that the present embodiment provides, acquiring unit 61 also comprises the 3rd and obtains subelement 91, and selected cell 62 also comprises the 4th chooser unit 92.Wherein,
3rd obtains subelement 91 for obtaining Route Distinguisher information from UE, and this Route Distinguisher information connects for identifying route UE business PDN used, and the PDN that such as SIPTO represents route SIPTO business connects, and the PDN that CN represents routed core network service connects.
The Route Distinguisher information that 3rd acquisition subelement 91 obtains from UE is supplied to UE by ANDSF, or is supplied to UE by operator.
4th chooser unit 92 is that the PDN that UE service selection route uses connects for the Route Distinguisher information obtaining subelement 91 acquisition according to the 3rd.
If Route Distinguisher information is SIPTO, then the 4th chooser unit 92 be UE service selection route SIPTO business PDN connect carry out route, if Route Distinguisher information is CN, then the 4th chooser unit 92 be UE service selection routed core network service PDN connect carry out route.
The device for UE service selection PDN connection described in the embodiment of the present invention and HNB together form the device of route UE business, complete the task of route UE business.
The device for UE service selection PDN connection utilizing the present embodiment to provide, can be that the PDN that UE service selection route uses connects according to routing policy or Route Distinguisher information, being connected with the PDN of route SIPTO business in prior art can only route SIPTO business, the PDN of routed core network service connects and can only compare by routed core network service, achieves the selection that UE business connects different PDN.Solve when certain PDN connects congested, to should the UE business that connects of bar PDN cannot by the problem of another relatively idle PDN connection route, thus alleviate the traffic pressure of congested PDN connection, improve the utilance that idle PDN connects, reach the object of reasonable distribution PDN connection route resource.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (13)
1. be the method that UE service selection PDN connects, it is characterized in that, comprising:
Obtain the routing policy of user equipment (UE) business, the routing policy of described acquisition UE business, comprising:
The Route Distinguisher information that receiving terminal apparatus provides, described Route Distinguisher information connects for identifying the PDN that described in route, UE business is used;
Select grouped data network PDN to connect according to described routing policy, described connection according to described routing policy selection PDN comprises: the described Route Distinguisher Information Selection PDN according to receiving connects.
2. the method being UE service selection PDN and connecting according to claim 1, it is characterized in that, the Route Distinguisher information that the Route Distinguisher information that described terminal equipment provides provides to described terminal equipment for access network discovery and support function ANDSF, or the Route Distinguisher information provided to described terminal equipment for operator.
3. the method being UE service selection PDN and connecting according to claim 1, is characterized in that, the routing policy of described acquisition UE business, comprising:
The routing policy of described UE business is obtained from routing policy network element.
4. the method being UE service selection PDN and connecting according to claim 3, is characterized in that, described routing policy network element is home base station management system HMS or is "Policy and Charging Rules Function PCRF.
5. the method being UE service selection PDN and connecting according to claim 1, is characterized in that, before the routing policy of described acquisition UE business, comprising:
According to network congestion degree, the Congestion Level SPCC that namely described PDN connects revises the routing policy of described UE business.
6. is the method that UE service selection PDN connects according to any one of claim 1-5, it is characterized in that, described routing policy comprises: any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the combination of at least two;
Described according to described routing policy selection PDN connection, comprise: under any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the integrated mode of at least two, judge whether described UE business meets the condition of routing policy combination;
When described UE business meets the condition of described routing policy combination, the PDN that IP for described UE service selection Route Selection unloads SIPTO business connects, when described UE business does not meet the condition of described routing policy combination, for the PDN of described UE service selection routed core network service connects; Or,
When described UE business meets the condition of described routing policy combination, for the PDN of described UE service selection routed core network service connects, when described UE business does not meet the condition of described routing policy combination, for the PDN of described UE service selection route SIPTO business connects.
7. be the device that UE service selection PDN connects, it is characterized in that, comprising:
Acquiring unit, for obtaining the routing policy of user equipment (UE) business, the routing policy of described acquisition UE business, comprising:
The Route Distinguisher information that receiving terminal apparatus provides, described Route Distinguisher information connects for identifying the PDN that described in route, UE business is used;
Selected cell, for selecting grouped data network PDN to connect according to described routing policy, described connection according to described routing policy selection PDN comprises: the described Route Distinguisher Information Selection PDN according to receiving connects.
8. the device being UE service selection PDN and connecting according to claim 7, it is characterized in that, the Route Distinguisher information that the Route Distinguisher information that described terminal equipment provides provides to described terminal equipment for access network discovery and support function ANDSF, or the Route Distinguisher information provided to described terminal equipment for operator.
9. the device being UE service selection PDN and connecting according to claim 7, it is characterized in that, described acquiring unit comprises:
First obtains subelement, for obtaining the routing policy of described UE business from the routing policy network element of an outside.
10. the device being UE service selection PDN and connecting according to claim 9, it is characterized in that, the routing policy network element of described outside comprises home base station management system HMS or "Policy and Charging Rules Function PCRF.
11. devices being UE service selection PDN and connecting according to claim 7, it is characterized in that, described routing policy comprises: any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or the combination of at least two; Described selected cell comprises:
Judgment sub-unit, for under the integrated mode of any one in source IP address, object IP address, subnet address, source port number, destination port number, transport layer protocol type or at least two, judge whether described UE business meets the condition of described routing policy;
First chooser unit, for meet when described UE business described routing policy combination condition time, the PDN that IP for described UE service selection Route Selection unloads SIPTO business connects, when described UE business does not meet the condition of described routing policy combination, for the PDN of described UE service selection routed core network service connects; Or,
Second chooser unit, for meet when described UE business described routing policy combination condition time, for the PDN of described UE service selection routed core network service connects, when described UE business does not meet the condition of described routing policy combination, for the PDN of described UE service selection route SIPTO business connects.
12. according to any one of claim 7-11 be UE service selection PDN connect device, it is characterized in that, the device of described route UE business is local gateway L-GW or business offloading functions TOF.
The device of 13. 1 kinds of route UE business, is characterized in that, comprising: the device for UE service selection PDN connection according to any one of claim 7-12 and family's (evolution) base station H (e) NB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234827.5A CN102958128B (en) | 2011-08-16 | 2011-08-16 | The method connected for UE service selection PDN and device |
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| CN104469727B (en) * | 2014-09-10 | 2016-05-11 | 北京佰才邦技术有限公司 | The processing method of communication service information and device |
| CN109076415B (en) * | 2016-04-12 | 2021-09-10 | 苹果公司 | Method and device for service unloading function |
| CN107786509B (en) * | 2016-08-27 | 2020-12-01 | 华为技术有限公司 | Session message processing method and related device |
| BR112019018548A2 (en) * | 2017-03-08 | 2020-04-14 | Huawei Tech Co Ltd | communication method and communications device |
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| CN101552978A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Method, system and device for realizing route optimization |
| CN102057723A (en) * | 2008-06-09 | 2011-05-11 | 高通股份有限公司 | A method and apparatus for pcc enhancement for flow based mobility |
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| GB2472866B (en) * | 2009-08-21 | 2013-05-08 | Samsung Electronics Co Ltd | Network elements, integrated circuits and methods for routing control |
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| CN101552978A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Method, system and device for realizing route optimization |
| CN102057723A (en) * | 2008-06-09 | 2011-05-11 | 高通股份有限公司 | A method and apparatus for pcc enhancement for flow based mobility |
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